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Remove PDPE's global bit of boot page table

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Qingsong Chen 2024-07-01 08:41:16 +00:00 committed by Tate, Hongliang Tian
parent ece62cf806
commit 9932ea0797
1 changed files with 3 additions and 3 deletions
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6
ostd/src/arch/x86/boot/boot.S
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@ -120,7 +120,7 @@ PTE_GLOBAL = (1 << 8)
// 0x00000000_80000000 ~ 0x00000000_bfffffff
// 0x00000000_c0000000 ~ 0x00000000_ffffffff
lea edi, [boot_pml4 - KERNEL_VMA]
lea eax, [boot_pdpt - KERNEL_VMA + (PTE_PRESENT | PTE_WRITE | PTE_GLOBAL)]
lea eax, [boot_pdpt - KERNEL_VMA + (PTE_PRESENT | PTE_WRITE)]
mov dword ptr [edi], eax
mov dword ptr [edi + 4], 0
@ -130,14 +130,14 @@ PTE_GLOBAL = (1 << 8)
// 0xffff8000_c0000000 ~ 0xffff8000_ffffffff
// 0xffff8008_00000000 ~ 0xffff8008_3fffffff
lea edi, [boot_pml4 - KERNEL_VMA + 0x100 * 8]
lea eax, [boot_pdpt - KERNEL_VMA + (PTE_PRESENT | PTE_WRITE | PTE_GLOBAL)]
lea eax, [boot_pdpt - KERNEL_VMA + (PTE_PRESENT | PTE_WRITE)]
mov dword ptr [edi], eax
mov dword ptr [edi + 4], 0
// PML4: 0xffffffff_80000000 ~ 0xffffffff_bfffffff
// 0xffffffff_c0000000 ~ 0xffffffff_ffffffff
lea edi, [boot_pml4 - KERNEL_VMA + 0x1ff * 8]
lea eax, [boot_pdpt - KERNEL_VMA + (PTE_PRESENT | PTE_WRITE | PTE_GLOBAL)]
lea eax, [boot_pdpt - KERNEL_VMA + (PTE_PRESENT | PTE_WRITE)]
mov dword ptr [edi], eax
mov dword ptr [edi + 4], 0